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The Fleetguard Filter Restriction Gauge mounts directly to measure intake resistance as contaminants accumulate within the air filter. As restriction gradually increases, performance changes may not be immediately noticeable, which can delay necessary service. A visible gauge reading removes guesswork by showing exactly when airflow has reached its service threshold. Direct monitoring allows maintenance to be based on actual filter condition rather than fixed intervals. Since intake restriction develops gradually over time, the Fleetguard 3905161S provides real-time visibility into filter performance.
| Notes | Filter Minder, Direct Mount |
| Warranty Distance | 100000 |
| Warranty Distance UOM | DH |
| Warranty Time | 1 |
| Warranty Time UOM | YR |
| UPC | 00638217071102 |
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